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18610 Lamson Rd, Castro Valley, CA 94546 Property Records

Alameda County property record for 18610 Lamson Rd, Castro Valley, CA 94546

Property Summary

Property TypeSingle Family Home
Details4 bd · 3 ba · 3,451 sqft · built 1948
Lot Size0.39 acres (17,004 sqft)
OwnerCompany Name on Record
Tax Bill$4,409 (2025)
Deeds & MortgagesNov 2018 Transfer
Nov 2018 Mortgage
Flood ZoneZone X (minimal risk)
APN84D-1173-5

Property Details

APN / Parcel Number

Primary APN84D-1173-5
Alternative APN
  • 084D-1173-005-00

Interior

Bedrooms4 Beds
Full Baths3 Baths
Total Rooms10 Rooms
Stories1 Story
Building Area3,451 sqft Living Area
Fireplaces1 Fireplace
FireplaceFireplace

Exterior

Year BuiltBuilt 1948
Effective Year BuiltEffective 1960
Architectural StyleL-Shape
Construction TypeWood
Lot Area17,004 sqft (0.39 acres)
Parking Spaces4 Parking Spaces

Utilities, Heating & Cooling

Heating SystemForced Air with A/C

Location & Zoning

Street Address18610 LAMSON RD
CityCASTRO VALLEY
StateCA
Zip94546-2130
Property CategoryResidential
Property TypeResidential > Single Family > Home
Legal DescriptionLOT: 00005 BLK: AR: 084D PAGE: 1173
Legal SubdivisionCASTRO VLY ORCHARDS
Legal Lot Number22&23
JurisdictionALAMEDA CA
Township / Civil DivisionHAYWARD
Census Block Group1
Census Block1009
Census Tract430300

Owner

Source: Alameda County records, as of August 5, 2026

Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.

Owner of RecordCompany Name on Record
Mailing Address18610 LAMSON RD, CASTRO VALLEY, CA 94546-2130
OccupancyOwner Occupied
Owner TypeCompany
VestingTrust

Deeds, Mortgages & Sale History

DateDocument
Nov 5, 2018Quit Claim Deed, Transfer
ATTORNEY ONLY
Nov 5, 2018Affidavit of Death, Mortgage · Conventional Mortgage
GOULD FAMILY TRUST (PT)

Assessor's Deed Record

Deed NamesName on Deed
Last Transfer DateOct 3, 2018
Transfer Doc0000213308
Record UpdatedOct 29, 2026

November 2018: Quit Claim Deed, Transfer

Document TypeQuit Claim Deed
JurisdictionALAMEDA CA
Recording DateNov 5, 2018
Property Address18610 LAMSON RD, CASTRO VALLEY, CA 94546-2130
Document Number0000213308
Instrument DateOct 3, 2018
Instrument213308
Transaction TypeTransfer
Record UpdatedNov 27, 2018
Title CompanyATTORNEY ONLY

Transaction

Tax$0.00
Additional
  • Quitclaim
  • Intrafamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipLiving Trust
Address18610 LAMSON RD CASTRO VALLEY CA 945462130, CASTRO VALLEY, CA 94546-2130

November 2018: Affidavit of Death, Mortgage

Document TypeAffidavit of Death
JurisdictionALAMEDA CA
Recording DateNov 5, 2018
Property Address18610 LAMSON RD, CASTRO VALLEY, CA 94546-2130
Document Number0000213307
Instrument DateOct 3, 2018
Instrument213307
Transaction TypeMortgage
Record UpdatedNov 28, 2018
Title CompanyATTORNEY ONLY

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipPersonal Trust
Address18610 LAMSON RD CASTRO VALLEY CA 945462130, CASTRO VALLEY, CA 94546-2130

Mortgage

Document Number211013
DateNov 5, 2018
Instrument211013
Lender
NameGOULD FAMILY TRUST (PT)
Agreement
TypeConventional Mortgage
AmountAmount Recorded

Tax Assessment & Valuation

Source: Alameda County assessment roll, as of August 5, 2026

Property Jurisdictions

TypeName
StateCalifornia
CountyAlameda County
Unified School DistrictCastro Valley Unified School District (KG - 12)

Tax Bill & Assessment History

YearTax BillAssessed ValueAssessed Market Value
2026$306,166 (-0.28%) Land $65,528 Building $247,638
2025$4,409.00 (+4.6%) Homeowner's exemption$307,027 (+4.04%) Land $64,244 Building $242,783
2023$4,215.00 Homeowner's exemption$295,105 Land $61,749 Building $233,356$1,684,440

Assessed value and assessed market value are set for property tax purposes and are not market price estimates.

Flood

Source: FEMA National Flood Hazard Layer, effective May 25, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood ZoneZone X
minimal risk
Flood Insurance RequirementNot required
lenders may require it
Community Rating SystemClass 7 (15% premium discount)
Nearby Flood Policies1 in force

Values are read at the parcel center point; flood claims are located to the census block group, not this parcel; lenders make the official flood determination.

Wildfire

Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024

Wildfire RiskLow
lower than 80% of the US · lower than 88% of California
Wildfire Likelihood0.03% annual chance
ExposureIndirect
within ember reach
Adjoins Burnable LandYes

Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.

Drinking Water

Source: EPA Safe Drinking Water Information System, as of September 2026

Water SystemEAST BAY MUD
serves 1,468,000 people · EPA ID CA0110005
Water SourceSurface water
Last State InspectionDec 2021
LeadUnder 1 ppb (2022–2024)
action level 15 ppb

Violations Reported to EPA

Water QualityNone
last 10 years
Treatment and ProcedureNone
last 10 years
Monitoring and ReportingNone
last 3 years

Results are for the whole water system, not water tested at this address; lead at the tap also depends on the building's own pipes. This system sells water to local utilities; the supplier billing this address may be one of them.

Internet Providers

Source: FCC Broadband Data Collection, based on 606 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
Sonic Telecom
Fiber		10,000 / 10,000
Xfinity
Cable		2,000 / 250
T-Mobile
Fixed Wireless		100 / 20
AT&T
DSL · Fiber, Fixed Wireless in parts of the area		100 / 20

May also be available: Etheric Networks, GeoLinks, Unwired, Verizon.

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